Mishimoto MMHOSE-SUB-INT6BK Subaru WRX 2006-2007 / Subaru Forester XT 2004-2008 Silicone Intercooler Hoses, Black Direct fit for 2004-2008 Subaru Forester XT INNER DIAMETER: Hose 1: 1.09" & 1.30" Hose 2: 1.85" Hose 3: 2.75 OUTER DIAMETER: Hose 1: 1.49" & 1.70" Hose 2: 2.25" Hose 3: 3.15 High grade silicone and heat-resistant embedded fibers feature max temp of 330F Mishimoto Lifetime Warranty